/*
 * This is written by Lulu Han and Yunguo Guan.
 * E-mail: locomotive_crypto@163.com
 */ 

#include <iostream>
#include "timer.h"


int main(){
	
	time_point<high_resolution_clock> start;
	
	start = now_time();
	
	long sum = 1;
	for(long i = 1; i < 1000000000; ++i){
		for(long j = 1; j < 1000000000; ++j){
			sum *= (i*j);
		}
	}
	
	double tm = time_from(start);
	
	std::cout << "tm is : " << tm << std::endl;
	return 0;
}
